UK Border Force

At Terminal 3 Immigration Officer Lisa Lea check the passport of a man from Pakistan who says he's here to do some marketing for his fruit and veg business.

In India the visa applications for travelers to Britain are decided by a small group of Brits on a 2 year posting in New Delhi.

Street Ops, as they are known, involve a group of immigration officers in full immigration uniform trying to spot illegal immigrants amongst in busy streets.

Immigration Officer Bridgette McCarthy gets a call. There's a lorry with car tires that's about to board a ferry, but they suspect it may also have people hiding deep inside.

A routine passport control check with Immigration Officer Steve Hassler turns into a marathon investigation. The "student" from Pakistan makes a mess of his answers.

A Woman arrives at Heathrow from Cape Town telling IO Lisa Lee she's here for a training course called ‘Steiner'. It's a fabrication.

Dallas Court in Salford is one of 14 reporting centres in Britain where asylum seekers, foreign criminals and those caught working illegally come to make weekly reports.